package com.nCoV.EpidemicSurveillance.config;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.DefaultRedirectStrategy;
import org.springframework.security.web.authentication.SimpleUrlAuthenticationFailureHandler;
import org.springframework.stereotype.Service;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.nCoV.EpidemicSurveillance.common.Constants;

/** 
* @author 作者 罗穆健: 
* @version 创建时间：2020年1月5日 下午6:59:04 
* 类说明 
*/
@Service
public class MyAuthenticationFailHander extends SimpleUrlAuthenticationFailureHandler {
	

	@Autowired
    private ObjectMapper objectMapper;
    @Override
    public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
                AuthenticationException exception) throws IOException, ServletException {
          // TODO Auto-generated method stub
          //以Json格式返回
			Map<String,Object> map = new HashMap<String,Object>();
			map.put("code",201);
			map.put("message","登陆失败");
			response.setContentType("application/json;charset=utf-8");
			PrintWriter out = response.getWriter();
			out.write(new ObjectMapper().writeValueAsString(map));
			out.flush();
			out.close();
    }

}
 